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;; ta-lk-renganathan.mim -- Tamil input method with Renganathan layout
;; Copyright (C) 2008
;; National Institute of Advanced Industrial Science and Technology (AIST)
;; Registration Number H15PRO112
;; This file is part of the m17n database; a sub-part of the m17n
;; library.
;; The m17n library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public License
;; as published by the Free Software Foundation; either version 2.1 of
;; the License, or (at your option) any later version.
;; The m17n library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;; You should have received a copy of the GNU Lesser General Public
;; License along with the m17n library; if not, write to the Free
;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
(input-method ta lk-renganathan (version "1.6.0"))
(description "Tamil input method with Renganathan layout.
For the detail, see the page: <http://www.locallanguages.lk/>
")
(title "க")
(variable
(use-surrounding-text (_"Surrounding text vs. preedit
If 1, try to use surrounding text. Otherwise, use preedit.")
0 1 0))
(macro
(pre-proc
(cond
((= @-1 0x200C)
(delete @-1)))
(cond
((= @+0 0x200C)
(delete @+1))))
(post-proc
(cond
((& (>= @-1 0x0B95) (<= @-1 0x0BB9) ; a consonant
(>= @+0 0x0BC6) (<= @+0 0x0BCC)) ; a left/two-part vowel sign
;; prevent syllable formation
0x200C)
((& (| (< @-2 0x0B95) (> @-2 0x0BB9)) ; not a consonant
(>= @-1 0x0BC6) (<= @-1 0x0BCC) ; a left/two-part vowel sign
(>= @+0 0x0B95) (<= @+0 0x0BB9) ; a consonant
(| (< @+1 0x0BBE) (> @+1 0x0BD7))) ; not a vowel sign
;; exchange @-1 and @+0
(set vs @-1)
(set c @+0)
(delete @-1)
(delete @+1)
(insert c)
(insert vs))
((& (= @-1 0x200C)
(| (< @-2 0x0B95) (> @-2 0x0BB9) ; not a constant
(< @+0 0x0BC6) (> @+0 0x0BCC))) ; not a left/two-part vowel sign
;; delete unnecessary ZWNJ
(delete @-1))
((& (= @+0 0x200C)
(| (< @-1 0x0B95) (> @-1 0x0BB9) ; not a constant
(< @+1 0x0BC6) (> @+1 0x0BCC))) ; not a left/two-part vowel sign
;; delete unnecessary ZWNJ
(delete @+1))))
(consonant-proc
(move @<)
(cond
((= @-1 0x200C)
(delete @-1)))
(set vs 0)
(cond
((& (>= @-1 0x0BC6) (<= @-1 0x0BC8)) ; a left vowel sign
(cond
((= @-2 0x200C)
(set vs @-1)
(delete @-2))
((| (< @-2 0x0B95) (> @-2 0x0BB9)) ; not a consonant
(set vs @-1)
(delete @-1)))))
(move @>)
(cond
((& (= @+0 0x200C)
(| (< @+1 0x0BC6) (> @+1 0x0BCC))) ; not a left vowel sign
(delete @+1)))
(cond
((= vs 0x0BC6)
(cond
((= @+0 0x0BBE)
(delete @+1)
0x0BCA)
((| (= @+0 0x0BB3) (= @+0 0x0BD7))
(delete @+1)
0x0BCC)
(1
0x0BC6)))
((= vs 0x0BC7)
(cond
((= @+0 0x0BBE)
(delete @+1)
0x0BCB)
(1
0x0BC7)))
((= vs 0x0BC8)
0x0BC8))
(cond
((& (>= @-1 0x0B95) (<= @-1 0x0BB9) ; a consonant
(>= @+0 0x0BC6) (<= @+0 0x0BCC)) ; a left vowel sign
0x200C)))
(check-surrounding-text
(cond
((& (= @+0 0x0B95) (= @+1 0x0BCD) (= @+2 0x0BB7)) ; k.ssa follows
0x0B95 0x0BCD 0x0BB7
(delete @+3))
((& (>= @+0 0x0B95) (<= @+0 0x0BB9)) ; a consonant follows
(set c @+0)
(insert c)
(delete @+1))
((& (>= @-1 0x0B95) (<= @-1 0x0BB9)) ; a consonant precedes
0x200C)))
)
(map
(starter
("q") ("w") ("e") ("r") ("t") ("y") ("u") ("i") ("o") ("p") ("[") ("]")
("a") ("s") ("d") ("f") ("g") ("h") ("j") ("k") ("l") (";")
("z") ("x") ("c") ("v") ("b") ("n") ("m") ("`")
("Q") ("W") ("E") ("R") ("T") ("Y") ("U") ("I") ("O") ("P") ("{") ("}")
("A") ("S") ("D") ("F") ("G") ("H") ("J") ("K") ("L")
("Z") ("X") ("C") ("V") ("B") ("N") ("M")
((A-q)) ((A-w)) ((A-e)) ((A-r)) ((A-t)) ((A-y)) ((A-u)) ((A-i))
((A-1)) ((A-2)) ((A-3)) ((A-4)) ((A-5)) ((A-6)) ((A-7)) ((A-8)) ((A-9))
((A-0)) ((A-`)) ((A-=)) ((A--))
((BackSpace)) ((Delete)))
(composite
("f;" "க்") ; 0B95 0BCD
("f;W" "க்ஷ") ; 0B95 0BCD 200C 0BB7
("Zh" "ஒளா") ; 0B92 0BB3 0BBE
("Zp" "ஒளி") ; 0B92 0BB3 0BBF
("ZP" "ஒளீ") ; 0B92 0BB3 0BC0
("Z[" "ஒளு") ; 0B92 0BB3 0BC1
("Z{" "ஒளூ") ; 0B92 0BB3 0BC2
("Z;" "ஒள்") ; 0B92 0BB3 0BCD
("xs" "ஔ") ; 0B94
("xsh" "ஒளா") ; 0B92 0BB3 0BBE
("xsp" "ஒளி") ; 0B92 0BB3 0BBF
("xsP" "ஒளீ") ; 0B92 0BB3 0BC0
("xs[" "ஒளு") ; 0B92 0BB3 0BC1
("xs{" "ஒளூ") ; 0B92 0BB3 0BC2
("xs;" "ஒள்") ; 0B92 0BB3 0BCD
)
(consonant
("f" "க") ; 0B95
("q" "ங") ; 0B99
("r" "ச") ; 0B9A
("E" "ஜ") ; 0B9C
("]" "ஞ") ; 0B9E
("l" "ட") ; 0B9F
("z" "ண") ; 0BA3
("j" "த") ; 0BA4
("e" "ந") ; 0BA8
("d" "ன") ; 0BA9
("g" "ப") ; 0BAA
("k" "ம") ; 0BAE
("a" "ய") ; 0BAF
("u" "ர") ; 0BB0
("w" "ற") ; 0BB1
("y" "ல") ; 0BB2
("o" "ழ") ; 0BB4
("t" "வ") ; 0BB5
("U" "ஶ") ; 0BB6
("Q" "ஸ") ; 0BB8
("R" "ஹ") ; 0BB9
("T" "க்ஷ") ; 0B95 0BCD 0BB7
)
(sign
("p" "ி") ; 0BBF
("P" "ீ") ; 0BC0
("[" "ு") ; 0BC1
("{" "ூ") ; 0BC2
(";" "்") ; 0BCD
)
(lla
("s"))
(ssa
("W"))
(aa
("h"))
(e
("n"))
(ee
("N"))
(ai
("i"))
(backspace
((BackSpace)))
(delete
((Delete)))
(misc
("`" "ஃ") ; 0B83
("m" "அ") ; 0B85
("M" "ஆ") ; 0B86
("b" "இ") ; 0B87
("B" "ஈ") ; 0B88
("c" "உ") ; 0B89
("C" "ஊ") ; 0B8A
("v" "எ") ; 0B8E
("V" "ஏ") ; 0B8F
("I" "ஐ") ; 0B90
("x" "ஒ") ; 0B92
("X" "ஓ") ; 0B93
("Z" "ஔ") ; 0B94
("O" "ௐ") ; 0BD0
((A-0) "௦") ; 0BE6
((A-1) "௧") ; 0BE7
((A-2) "௨") ; 0BE8
((A-3) "௩") ; 0BE9
((A-4) "௪") ; 0BEA
((A-5) "௫") ; 0BEB
((A-6) "௬") ; 0BEC
((A-7) "௭") ; 0BED
((A-8) "௮") ; 0BEE
((A-9) "௯") ; 0BEF
((A-q) "௰") ; 0BF0
((A-w) "௱") ; 0BF1
((A-e) "௲") ; 0BF2
((A-y) "௳") ; 0BF3
((A-u) "௴") ; 0BF4
((A-i) "௵") ; 0BF5
((A-r) "௶") ; 0BF6
((A-t) "௷") ; 0BF7
((A-`) "௸") ; 0BF8
((A-=) "௹") ; 0BF9
((A--) "௺") ; 0BFA
("Y" "ஶ்ரீ") ; 0BB6 0BCD 0BB0 0BC0
("}" ";") ; 003B
("A" "")
("S" "")
("D" "")
("F" "")
("G" "")
("H" "")
("J" "")
("K" "")
("L" "")
))
(state
(init
(starter
(pushback 1)
(cond
((& (= use-surrounding-text 1) (= @-0 -1))
(shift surrounding-text))
(1
(shift preedit)))))
(surrounding-text
(consonant
(consonant-proc)
(commit))
(lla
(cond
((= @-1 0x200C)
(delete @-1)))
(cond
((& (>= @-2 0x0B95) (<= @-2 0x0BB9) ; a consonant
(= @-1 0x0BC6))
(delete @-1)
0x0BCC
(cond
((= @+0 0x200C)
(delete @+1))))
((= @-1 0x0B92)
(delete @-1)
0x0B94
(cond
((= @+0 0x200C)
(delete @+1))))
(1
0x0BB3
(consonant-proc)))
(commit))
(ssa
(cond
((= @-1 0x200C)
(delete @-1)))
(cond
((& (= @-2 0x0B95) (= @-1 0x0BCD))
0x200C))
0x0BB7
(consonant-proc)
(commit))
(sign
(cond
((= @+0 0x200C)
(delete @+1)))
(move @<)
(cond
((= @-1 0x200C)
(delete @-1)))
(cond
((= @-1 0x0B94)
(delete @-1)
0x0B92 0x0BB3)
((= @-1 0x0BCC)
(delete @-1)
0x0BC6 0x0BB3))
(commit))
(aa
(pre-proc)
(cond
((= @-1 0x0BC6)
(cond
((& (| (< @-3 0x0B95) (> @-3 0x0BB9)) ; not a consonant
(= @-2 0x200C))
(delete @-2))
(1
(delete @-1)))
0x0BCA)
((= @-1 0x0BC7)
(cond
((& (| (< @-3 0x0B95) (> @-3 0x0BB9)) ; not a consonant
(= @-2 0x200C))
(delete @-2))
(1
(delete @-1)))
0x0BCB)
((= @-1 0x0B94)
(delete @-1)
0x0B92 0x0BB3 0x0BBE)
((= @-1 0x0BCC)
(delete @-1)
0x0BC6 0x0BB3 0x0BBE)
(1
0x0BBE))
(commit))
(e
(pre-proc)
(cond
;; additional check-surrounding-text for this vowel sign
((& (>= @+0 0x0B95) (<= @+0 0x0BB9) ; a consonant
(= @+1 0x0BB3))
(set c @+0)
(delete @+2)
(insert c)
0x0BCC)
;; ordinary check-surrounding-text
(1
(check-surrounding-text)
(cond
((= @+0 0x0BBE)
(delete @+1)
0x0BCA)
((= @+0 0x0BD7)
(delete @+1)
0x0BCC)
(1
0x0BC6))))
(commit))
(ee
(pre-proc)
(check-surrounding-text)
(cond
((= @+0 0x0BBE)
(delete @+1)
0x0BCB)
(1
0x0BC7))
(commit))
(ai
(pre-proc)
(check-surrounding-text)
0x0BC8
(commit))
(backspace
(pre-proc)
(cond
((& (>= @-4 0x0B95) (<= @-4 0x0BB9) ; a consonant
(= @-3 0x0BC6)
(= @-2 0x0BB3)
(| (& (>= @-1 0x0BBE) (<= @-1 0x0BC2)) ; a right/above/below vowel sign
(= @-1 0x0BCD)))
(delete @-3)
0x0BCC)
((& (= @-4 0x0BB6) (= @-3 0x0BCD) (= @-2 0x0BB0) (= @-1 0x0BC0)) ; shrii
(delete @-4))
((& (= @-3 0x0B92)
(= @-2 0x0BB3)
(| (& (>= @-1 0x0BBE) (<= @-1 0x0BC2)) ; a right/above/below vowel sign
(= @-1 0x0BCD)))
(delete @-3)
0x0B94)
((& (= @-3 0x0B95) (= @-2 0x0BCD) (= @-1 0x0BB7)) ; k.ssa
(delete @-3))
((| (= @-1 0x0BCA) (= @-1 0x0BCC)) ; vowel sign e/ai
(delete @-1)
0x0BC6)
((= @-1 0x0BCB) ; vowel sign ee
(delete @-1)
0x0BC7)
((& (>= @-1 0x0BC6) (<= @-1 0x0BC8)) ; a left vowel sign
(set vs @-1)
(delete @-1)
(cond
((& (>= @-1 0x0B95) (<= @-1 0x0BB9)) ; a consonant
(cond
((& (= @-3 0x0B95) (= @-2 0x0BCD) (= @-1 0x0BB7)) ; k.ssa
(delete @-3))
(1
(delete @-1)))
(cond
((& (>= @+0 0x0B95) (<= @+0 0x0BB9) ; a consonant follows
(| (< @+1 0x0BBE) (> @+1 0x0BD7))) ; not a vowel sign
;; visual : E C1 | C2 -> E C2 |
;; logical : C1 E | C2 -> C2 E |
(cond
((& (= @+0 0x0B95) (= @+1 0x0BCD) (= @+2 0x0BB7)) ; k.ssa
(delete @+3)
0x0B95 0x0BCD 0x0BB7)
(1
(set c @+0)
(delete @+1)
(insert c)))
(insert vs))
((& (>= @-1 0x0B95) (<= @-1 0x0BB9)) ; a consonant precedes
;; visual : C1 E C2 | X -> C1 E | X
;; logical : C1 C2 E | X -> C1 N E | X
0x200C
(insert vs))
(1
;; visual : X1 E C | X2 -> X1 E | X2
;; logical : X1 C E | X2 -> X1 E | X2
(insert vs))))
((= @-1 0x200C)
(delete @-1))))
(1
(delete @-1)))
(post-proc)
(commit))
(delete
(pre-proc)
(cond
((& (= @+0 0x0BB6) (= @+1 0x0BCD) (= @+2 0x0BB0) (= @+3 0x0C0)) ; shrii
(delete @+4))
((& (= @+0 0x0B95) (= @+1 0x0BCD) (= @+2 0x0BB7)) ; k.ssa
(cond
((& (>= @+3 0x0BC6) (<= @+3 0x0BC8)) ; a left vowel sign
(delete @+4)
0x0B95 0x0BCD 0x0BB7)
((| (= @+3 0x0BCA) (= @+3 0x0BCB)) ; vowel sign e/ee
(delete @+4)
0x0B95 0x0BCD 0x0BB7 0x0BBE)
((| (& (>= @+3 0x0BBE) (<= @+3 0x0BC2)) ; vowel sign aa .. uu
(= @+3 0x0BCC) ; vowel sign ai
(= @+3 0x0BCD)) ; virama
(delete @+4))
(1
(delete @+3))))
((& (>= @+0 0x0B95) (<= @+0 0x0BB9)) ; a consonant
(set c @+0)
(cond
((& (>= @+1 0x0BC6) (<= @+1 0x0BC8)) ; a left vowel sign
(delete @+2)
(insert c))
((| (= @+1 0x0BCA) (= @+1 0x0BCB)) ; vowel sign e/ee
(delete @+2)
(insert c)
0x0BBE)
((| (& (>= @+1 0x0BBE) (<= @+1 0x0BC2)) ; vowel sign aa .. uu
(= @+1 0x0BCC) ; vowel sign ai
(= @+1 0x0BCD)) ; virama
(delete @+2))
(1
(delete @+1))))
((| (= @+0 0x0BCA) (= @+0 0x0BCB)) ; vowel sign e/ee
(delete @+1)
0x0BBE)
((= @+0 0x0BCC) ; vowel sign ai
(delete @+1)
0x0BB3)
(1
(delete @+1)))
(post-proc)
(commit))
(misc
(move @<)
(cond
((= @-1 0x200C)
(delete @-1)))
(move @>)
(cond
((= @+0 0x200C)
(delete @+1)))
(commit)))
(preedit
(consonant (shift c-state))
(composite (commit))
(sign (commit))
(misc (commit))
(lla "ள" (shift c-state)) ; 0BB3
(ssa "ஷ" (shift c-state)) ; 0BB7
(aa "ா" (commit)) ; 0BBE
(e "ெ" (shift e-state)) ; 0BC6
(ee "ே" (shift ee-state)) ; 0BC7
(ai "ை" (shift ai-state)) ; 0BC8
(nil
(unhandle)))
(c-state
(sign (shift c-s-state))
(aa "ா" (shift c-s-state)) ; 0BBE
(backspace (undo)))
(c-s-state
(sign
(cond
((= @-2 0x0BCC)
(move @-)
(delete @-)
0x0BC6 0x0BB3
(move @+))
(1
(commit)
(shift preedit))))
(aa
"ா"
(cond
((= @-2 0x0BCC)
(move @-)
(delete @-)
0x0BC6 0x0BB3
(move @+))
(1
(commit)
(shift preedit))))
(backspace (undo)))
(e-state
(consonant (move @<) (delete @+) (move @>) "ெ" (shift e-c-state))
(lla (delete @-) "ளெ" (shift e-c-state))
(ssa (delete @-) "ஷெ" (shift e-c-state))
(backspace (delete @-) (shift preedit))
(nil (undo -1)))
(ee-state
(consonant (move @<) (delete @+) (move @>) "ே" (shift ee-c-state))
(lla (delete @-) "ளே" (shift ee-c-state))
(ssa (delete @-) "ஷே" (shift ee-c-state))
(backspace (delete @-) (shift preedit))
(nil (undo -1)))
(ai-state
(consonant (move @<) (delete @+) (move @>) "ை" (shift c-s-state))
(lla (delete @-) "ளை" (shift c-s-state))
(ssa (delete @-) "ஷை" (shift c-s-state))
(backspace (delete @-) (shift preedit))
(nil (undo -1)))
(e-c-state
(aa (delete @-) "ொ" (shift c-s-state))
(lla (delete @-) "ௌ" (shift c-s-state))
(backspace (delete @<) "ெ" (shift e-state)))
(ee-c-state
(aa (delete @-) "ோ" (shift c-s-state))
(backspace (delete @<) "ே" (shift ee-state)))
)
;; Local Variables:
;; coding: utf-8
;; mode: emacs-lisp
;; End: